Knife sharpening tool
The broken lines depict portions of the knife sharpening tool that form no part of the claimed design.
The dot-dash broken lines in
Claims
The ornamental design for a knife sharpening tool, as shown and described.
| 4216627 | August 12, 1980 | Westrom |
| 4441279 | April 10, 1984 | Storm |
| 4512112 | April 23, 1985 | LeVine |
| 4538382 | September 3, 1985 | Johannsen |
| D287815 | January 20, 1987 | Johannsen |
| 4714239 | December 22, 1987 | LeVine |
| 4731953 | March 22, 1988 | Owen |
| 4777770 | October 18, 1988 | LeVine |
| 5138801 | August 18, 1992 | Anthon |
| 5185958 | February 16, 1993 | Dale |
| 5195275 | March 23, 1993 | McLean |
| 5363602 | November 15, 1994 | Anthon |
| 5431068 | July 11, 1995 | Alsch |
| D363869 | November 7, 1995 | Ross |
| 6579163 | June 17, 2003 | Ross |
| 7144310 | December 5, 2006 | Longbrake |
| 7874896 | January 25, 2011 | Watson |
| 8303381 | November 6, 2012 | Schwartz |
| 8323077 | December 4, 2012 | Nakoff |
| D731278 | June 9, 2015 | Cavanaugh |
| 10744614 | August 18, 2020 | Allison |
| D929200 | August 31, 2021 | Huagn |
| 20110159791 | June 30, 2011 | Heng |
| 20110177764 | July 21, 2011 | Schwartz |
| 20220088748 | March 24, 2022 | Baker |
Type: Grant
Filed: Apr 12, 2023
Date of Patent: Jul 18, 2023
Inventor: Xiaping Wang (Zhejiang)
Primary Examiner: Philip S Hyder
Application Number: 29/889,385